fix(i18n): fix typo at i18n generation code

Fix typo at i18n generation code. This would remove the
property `macFrac` that has no meaning from all the
generated locales

Author: lgalfaso

i18n/src/parser.js

@@ -18,7 +18,7 @@ function parsePattern(pattern) {
   var p = {
             minInt: 1,
             minFrac: 0,
-            macFrac: 0,
+            maxFrac: 0,
             posPre: '',
             posSuf: '',
             negPre: '',